Questions 23 to 25 are based on the passage you have just heard.
A. By judging to what extent they can eliminate the risks.
By estimating the possible loss of lives and property.
C. By estimating the frequency of volcanic eruptions.
D. By judging the possible risks against the likely benefits.
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排序:A:虽然他长得不是很帅B:但我还是很喜欢他C:又没有钱____________